"Bay Area Now 7" opening night party Yerba Buena Center for the Arts, 701 Mission, SF; www.ybca.org. 8-11pm, $12-15. Celebrate the opening of YBCA's signature triennial, an exhibit highlighting works by local artists who capture "the spirit of now," with tunes by Honey Soundsystem.

LaborFest 2014 ILWU Local 34 Hall, 801 Second St, SF; www.laborfest.net. 10am-1pm, free. "Life and Death! The Attack on OSHA, Workers Health and Safety, and Injured Workers" public forum. Also National Japanese American Historical Society, 1684 Post, SF. 2pm, free. "ILWU and Japanese Americans" presentation. Also ILWU Local 34 Hall. 7:30pm, donation. "Movement Energy: A History of May Day and the Eight Hour Day," performance by the Rockin' Solidarity Chorus, Sat, 7:30.